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Science 23 May 2008:
Vol. 320. no. 5879, p. 1096
DOI: 10.1126/science.320.5879.1096b
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Science Podcast

The 23 May 2008 show includes interviews on a food-driven circadian clock, creating a lake in Turkmenistan, silica deposits on Mars, and more.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)